What do studies show about a link between testosterone and aggression?
A. There is a strong causative link between high testosterone levels and increased aggression in men.
B. Some studies indicate a correlation between high testosterone levels and increased aggression, but other studies do not.
C. Increased aggression in men is not related to testosterone.
D. Low levels of testosterone have a mild positive correlation to increased aggression.
Answer: B
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Dr. Kalmagura plans on introducing a new exam review procedure in his chemistry classes. To check the effectiveness of the new procedure, he is going to have half his students try the new technique for one semester, while the remaining students review in the way they have always done in the past. He asks each student to decide which of the techniques they would like to use, the new technique or
the standard technique. In this example, Dr. Kalmagura's procedure illustrates a. the use of non-random assignment. b. a correlational research design. c. a double-blind research design. d. what is meant by informed consent in research.
When do eyes develop beyond the critical period for major abnormal development from teratogens?
A. seven weeks B. eight weeks C. nine weeks D. ten weeks
Most developmental psychologists believe that development is the result of:
a. nature and nurture acting separately. b. primarily nature. c. both nature and nurture. d. primarily nurture.
A grandma complains, "Mothers don't spend time with their children like they did in my day." Knowing the research, what should her grandchild answer?
a) "True, but only because people now leave teaching to the schools and don't help with children's homework." b) "True, but this only applies to single moms who must work." c) "Absolutely false. Mothers—both stay-at-home and working—spend more time with their children today." d) "True, but this only applies to mothers who work full time at high-stress jobs."